tcpdump, Ethereal, and other sniffer packages allow remote attackers to cause a denial of…
Priority LOW 33Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
tcpdump, Ethereal, and other sniffer packages allow remote attackers to cause a denial of service via malformed DNS packets in which a jump offset refers to itself, which causes tcpdump to enter an infinite loop while decompressing the packet.
Why it matters now
EPSS 0.07576 94th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ethereal_group:ethereal:0.8.4:*:*:*:*:*:*:* | 0.8.4 | Vulnerable | Ethereal Group |
| cpe:2.3:a:ethereal_group:ethereal:0.8.5:*:*:*:*:*:*:* | 0.8.5 | Vulnerable | Ethereal Group |
| cpe:2.3:a:ethereal_group:ethereal:0.8.6:*:*:*:*:*:*:* | 0.8.6 | Vulnerable | Ethereal Group |
| cpe:2.3:a:lbl:tcpdump:3.4:*:*:*:*:*:*:* | 3.4 | Vulnerable | Lbl |
| cpe:2.3:a:lbl:tcpdump:3.5a:*:*:*:*:*:*:* | 3.5a | Vulnerable | Lbl |
- cpe:2.3:a:ethereal_group:ethereal:0.8.4:*:*:*:*:*:*:* Versions 0.8.4 Vulnerable ·Ethereal Group
- cpe:2.3:a:ethereal_group:ethereal:0.8.5:*:*:*:*:*:*:* Versions 0.8.5 Vulnerable ·Ethereal Group
- cpe:2.3:a:ethereal_group:ethereal:0.8.6:*:*:*:*:*:*:* Versions 0.8.6 Vulnerable ·Ethereal Group
- cpe:2.3:a:lbl:tcpdump:3.4:*:*:*:*:*:*:* Versions 3.4 Vulnerable ·Lbl
- cpe:2.3:a:lbl:tcpdump:3.5a:*:*:*:*:*:*:* Versions 3.5a Vulnerable ·Lbl
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2000-0333
- 2026-10-03 Alias added: GHSA-fpxw-v79p-g5g4
References
—
Sources
- CVE-2000-0333 · CVE Program
- CVE-2000-0333 · NVD
- FIRST EPSS
- GHSA-fpxw-v79p-g5g4 · GitHub Advisory Database · CC BY 4.0
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